This is not your typical, old school, run of the mill Grandpa. This guy likes to buck the system by dropping the "Pa" and tossing his name on the back of Grand. Similar to the "Amazing" Spiderman, GrandCraig know's that with great power comes GrandResponsibility.

"Hey, is it just me or did GrandCraig just swing from that building to save a kid from a burning taco stand"